Light bar for a vehicle



FIG. 1 is a front view of the light bar for a vehicle showing my new design;

FIG. 2 is a back view of the light bar for a vehicle;

FIG. 3 left view of the light bar for a vehicle;

FIG. 4 is a right view of the light bar for a vehicle;

FIG. 5 is a top view of the light bar for a vehicle; and,

FIG. 6 is a bottom view of the light bar for a vehicle. 

CLAIM The ornamental design for a light bar for a vehicle, as shown and described. 